If a user wants to switch to jack1, jack2 should be replaced by jack1.
Slight update to the summary
Using a replaces isn't how you would do this. conflicts would be.
LGTM but still want @DataDrake to take a look at D7307
Needs to be rebased on top of the alsa rebuilds
See comment above (accidentally pushed submit too soon)
We are about to replace instead of having them co-exist